The BMW 5 Series Touring (G31) 520d, produced from November 2019 through 2020, represents a compelling blend of practicality, efficiency, and BMW’s signature driving dynamics within the executive station wagon segment. This variant, powered by a 2.0-liter turbocharged diesel engine with mild hybrid technology and paired with an 8-speed Steptronic automatic transmission, occupied a key position in the G31 lineup, offering a balance between performance and fuel economy. It catered to buyers seeking a versatile vehicle for both daily commuting and long-distance travel, without sacrificing the premium experience associated with the 5 Series badge. The G31 generation, built on the modular UKL platform, aimed to provide increased interior space and enhanced technology compared to its predecessor.
Technical Specifications
| Brand | BMW |
| Model | 5 Series |
| Generation | 5 Series Touring (G31) |
| Type (Engine) | 520d (190 Hp) Mild Hybrid Steptronic |
| Start of production | November, 2019 |
| End of production | 2020 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 4.8-5.1 l/100 km (49 – 46.1 US mpg) |
| Fuel consumption (extra urban) | 4.1-4.2 l/100 km (57.4 – 56 US mpg) |
| Fuel consumption (combined) | 4.3-4.5 l/100 km (54.7 – 52.3 US mpg) |
| CO2 emissions | 114-118 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 7.5 sec |
| Acceleration 0 – 62 mph | 7.5 sec |
| Acceleration 0 – 60 mph | 7.1 sec |
| Maximum speed | 225 km/h (139.81 mph) |
| Emission standard | Euro 6d-TEMP |
| Weight-to-power ratio | 9.2 kg/Hp |
| Weight-to-torque ratio | 4.4 kg/Nm |
| Power | 190 Hp @ 4000 rpm |
| Torque | 400 Nm @ 1750-2500 rpm (295.02 lb.-ft.) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | B47D20B |
| Engine displacement | 1995 cm3 (121.74 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 84 mm (3.31 in.) |
| Piston Stroke | 90 mm (3.54 in.) |
| Compression ratio | 16.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Twin-power turbo, Intercooler |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant capacity | 8.8 l (9.3 US qt | 7.74 UK qt) |
| Kerb Weight | 1740 kg (3836.04 lbs.) |
| Max. weight | 2440 kg (5379.28 lbs.) |
| Max load | 700 kg (1543.24 lbs.) |
| Trunk (boot) space – minimum | 570 l (20.13 cu. ft.) |
| Trunk (boot) space – maximum | 1700 l (60.03 cu. ft.) |
| Fuel tank capacity | 66 l (17.44 US gal | 14.52 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 90 kg (198.42 lbs.) |
| Length | 4942 mm (194.57 in.) |
| Width | 1868 mm (73.54 in.) |
| Height | 1498 mm (58.98 in.) |
| Wheelbase | 2975 mm (117.13 in.) |
| Front track | 1605 mm (63.19 in.) |
| Rear track | 1630 mm (64.17 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Drag coefficient (Cd) | 0.28 |
| Minimum turning circle | 12 m (39.37 ft.) |
| Drivetrain Architecture | Rear wheel drive, MHEV |
| Number of gears | 8 |
| Gearbox type | Automatic Steptronic |
| Front suspension | Double wishbone |
| Rear suspension | Independent multi-link |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
Powertrain & Engine Architecture
At the heart of the 520d Touring lies the BMW B47D20B, a 2.0-liter inline-four cylinder diesel engine. This engine utilizes a sophisticated common-rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A twin-scroll turbocharger, coupled with an intercooler, enhances power output and responsiveness. The B47 engine family is known for its robust construction and efficiency. The ‘D20B’ designation indicates a displacement of 2.0 liters and a specific power output. The mild hybrid system, a 48V setup, incorporates a starter-generator that assists the engine during acceleration, enabling features like extended coasting and automatic engine shutdown during deceleration, further improving fuel economy. The 8-speed Steptronic automatic transmission is a cornerstone of the BMW driving experience, offering smooth and rapid gear changes. It’s programmed for both comfort and performance, adapting to the driver’s style and road conditions.
Driving Characteristics
The 520d Touring, with its 190 horsepower and 400 Nm (295 lb-ft) of torque, provides a comfortable and capable driving experience. Acceleration from 0 to 60 mph takes approximately 7.1 seconds, making it adequately quick for most driving situations. While not as exhilarating as the higher-powered 530d or M550i models, the 520d offers sufficient power for overtaking and highway cruising. The Steptronic transmission is well-matched to the engine’s torque curve, providing seamless shifts and contributing to a relaxed driving experience. The mild hybrid system subtly enhances responsiveness, particularly during initial acceleration. Compared to a manual transmission version (which wasn’t widely available in this configuration), the automatic offers greater convenience, especially in urban traffic. However, some driving enthusiasts might miss the greater control offered by a manual gearbox.
Equipment & Trim Levels
The 520d Touring typically came standard with a comprehensive array of features, including BMW’s iDrive infotainment system with a touchscreen display, navigation, automatic climate control, leather upholstery, and a suite of driver-assistance systems such as lane departure warning and collision warning. Optional extras included features like a panoramic sunroof, upgraded sound system, adaptive cruise control, and parking assist. Trim levels varied depending on the market, but generally offered increasing levels of luxury and technology. The base trim provided a well-equipped vehicle, while higher trims added premium materials, enhanced comfort features, and more advanced driver-assistance systems.
Chassis & Braking
The G31 5 Series Touring features a double-wishbone front suspension and an independent multi-link rear suspension, providing a comfortable ride and precise handling. The suspension is tuned to balance comfort and agility, offering a composed ride even on uneven surfaces. Ventilated disc brakes are fitted on all four wheels, providing ample stopping power. The electronic stability control (ESC) system and anti-lock braking system (ABS) work in conjunction to enhance safety and stability. The 520d Touring’s chassis is designed to accommodate the increased weight of the station wagon body style while maintaining BMW’s renowned driving dynamics.
Market Reception & Comparison
The 520d Touring was generally well-received by automotive critics, who praised its fuel efficiency, comfortable ride, and spacious interior. It was often seen as a practical and sensible choice for buyers seeking a premium station wagon. Compared to the 530d, the 520d offered lower running costs but less outright performance. The 520d also provided a more economical alternative to the petrol-powered 520i. Its fuel economy figures of 4.3-4.5 l/100 km (54.7 – 52.3 US mpg) were particularly attractive to buyers concerned about fuel costs.
Legacy
The B47 engine, while generally reliable, has been known to exhibit some issues with timing chain wear and diesel particulate filter (DPF) clogging, particularly on vehicles with high mileage or those primarily used for short trips. Regular maintenance, including oil changes and DPF regeneration, is crucial for ensuring the longevity of the powertrain. The 520d Touring (G31) remains a popular choice in the used car market, offering a compelling combination of practicality, luxury, and efficiency. Its reputation for build quality and driving dynamics continues to attract buyers seeking a premium station wagon.
